Background of invention
Most of automobiles require relatively large engine to produce enough power to accelerate to automobile rapidly.Gas engine on orthodox car is the requirement classification according to peak power.In fact, most of driver uses time of peak power of their engine less than one of percentage.Design utilizes the hybrid vehicle in electric energy and engine power source to overcome the problem of engine size and to improve engine performance.These automobiles use less engine, compare closer to average power requirement with peak power.But, by using less, lighter parts, by reducing number of cylinders and passing through the maximum load of running engine closer to it, in little engine, raise the efficiency.
But this makes developing into of the dedicated engine of being combined with electro-motor and driving, driving system essential.Need the driving system of further customization to move these vehicles.This can cause hindering Technology of Hybrid Electric Vehicle and be applied to vehicle/engine drive system of existing or new development.Further, size and the engine that moves any engine drive system in the scope of average power requirement are all favourable to improve fuel efficiency.Therefore, thus need to or not to use special drive system, engine etc. to provide the alerting ability that engine/vehicle and such ancillary system are integrated to improve engine/vehicle performance for engine drive system/vehicle provides power assist system.
Before more than 100 years, hybrid vehicle is by generalities.First discussion of hybrid vehicle can be traced back to 1902.Coming from the training of Belgian group is first people who relates to hybrid power submission patent in the U.S..His patent is authorized before 100 years.Although have in the past some to attempt, do not find quoting about document efficient, easily hybrid power design repacking and that the ratio of performance to price is high.Along with the fluctuation of current crude oil price, there is climax in the interests of design and construction hybrid vehicle.But due to relevant to it expensive, it is low-level that their demand still keeps.Exploitation hybrid vehicle system has had trial.Prior art is mentioned below.
US Patent 6367570 discloses band the hybrid electric vehicle of strategic power-assisted with the electro-motor of burden internal combustion engine balance is provided.It is by the internal combustion engine and the composition of the control system that are matched with motor.
US Patent 5678646 discloses the circuit breaker of the excitation winding that comprises electro-motor, switch electro-motor and has passed through the vehicle propulsion system of the cooling intallation of the cooling excitation winding of coolant loop and circuit breaker.Electro-motor is realized with the form of the first modular unit of self mechanical function.Circuit breaker is assemblied at least one second modular unit, is firmly connected to form propulsion unit with the first modular unit.Independently modular unit can be separated from each other and connect by knock-down electrical interface, also can connect and both are connected to each other by knock-down coolant interface.This structure makes it can be by adding extra modular unit optionally to expand propulsion unit, if if when et out of order or independently modular cell failure, and replacement module unit and needn't replace whole propulsion unit.
PCT publication number WO/1992/018346 discloses the hybrid electric vehicle propulsion system with external combustion free piston engine, and this outer right free piston engine has current generator and the impulse rate controller of overall linear.This system comprises Integrated power treater, frequency modulator circuit and pulse-width modulator circuit, Integrated power treater control frequency modulator circuit and pulse-width modulator circuit, to produce two kinds of electric currents of accessory feed electric current of frequency modulation (FM) pulse current and pulse width variation.Two kinds of combinations of auxiliary current of frequency modulation (FM) pulse current and pulse width modulation are with to having the poor electric drive motor energy supply of overall electronics.Little auxiliary power source, for example rechargeable battery pack, provides auxiliary current and climbing power in order to accelerate.External combustion engines incendivity such as, without the fuel (natural fuels, alcohol, propane etc.) of any pollution and move to produce the electric current of the constant frequency that comes from the coil that is integrated in engine in constant peak power speed.This dynamo current enough promotes under common driving condition the vehicle with the level and smooth speed control of CD-ROM drive motor.This propulsion motor is in conjunction with a fixing stator, and a cardan shaft of two contrary axial permanent magnets or induction rotor, corresponding each output.
US Patent 5172784 discloses the hybrid electric vehicle propulsion system with external combustion free piston engine, and this outer right free piston engine has current generator and the impulse rate controller of overall linear.This system comprises Integrated power treater, frequency modulator circuit and pulse-width modulator circuit, Integrated power treater control frequency modulator circuit and pulse-width modulator circuit, to produce two kinds of electric currents of accessory feed electric current of frequency modulation (FM) pulse current and pulse width variation.Two kinds of combinations of auxiliary current of frequency modulation (FM) pulse current and pulse width modulation are with to having the poor electric drive motor energy supply of overall electronics.
U.S. Patent application 20060000651 discloses the hybrid electric propulsion system strengthening for the thermoelectricity of disclosed hybrid electric vehicle.This system comprises combustion engine and the electro-motor for rotating vehicle wheel.Thermal power unit is electrically connected in electro-motor, and this thermal power unit has the hot junction that the thermal contact of combustion engine provides.In force, thermal power unit has received and has come from the waste heat of internal combustion engine and produce the electric energy for the enhancing vehicle propulsion of electro-motor.
US Patent 6823840 discloses manifold absolute pressure control system and the method for hybrid electric vehicle.It discloses the method and apparatus of controlling the manifold absolute pressure of hybrid electric vehicle, and this hybrid electric vehicle comprises internal combustion engine electric motor/generator in parallel.The method comprising the steps of for monitoring the torque-demand on hybrid electric vehicle, monitors the rate of change of manifold absolute pressure size and internal combustion engine, and supply comes from the torque of internal combustion engine to meet torque-demand; And the torque that supply comes from motor/generator to internal combustion engine supply can load level torque and keep the manifold absolute pressure of combustion engine in acceptable scope and ratio.
U.S. Patent application 20040174124 discloses motor control method and the system for parallel mixing power electric vehicle.Motor control system utilizes the moment of inertia control motor of assisted instruction and the motor of estimating.Motor control method comprises the moment of inertia of calculating the motor of estimating, calculate the compensating current in the early stage of moment of inertia based on estimating and assisted instruction, calculate the final current-order based on speed controller outgoing current and pre compensation electric current, the speed controller outgoing current calculating based on assisted instruction, and utilize final current-order control motor.
U.S. Patent application 20030098187 discloses control system and the method for parallel mixing power electric vehicle.It provides the control policy for parallel mixing power electric vehicle (HEV) configuration, and the kinetic force that comes from engine and motor provides torque to system of vehicle transmission mechanism independently of one another.
US Patent 6321143 discloses control system and the method for parallel mixing power electric vehicle.This vehicle system controller has the state machine that contains the multiple predefined states that represent mode of vehicle operation.Definition rule group is for the conversion of any two states of state of a control machine.State is according to the generation priority of disposing order of chaufeur demand, energy management problem and the system failure.Vehicle system controller is controlled the conversion from lower priority state to higher priority state on the basis of rule group.
Japanese Patent JP3580257 discloses hybrid vehicle, wherein commonly multiple driving propulsions source are used for transmitting power at least a portion to the conveyor line of wheel, and between online two revolving members of the power delivery status control convenience that is provided for changing power delivery status, the power of the driving propulsion source output of specifying from multiple driving propulsions source is sent to wheel.
Japanese Patent JP2002135910 discloses for similarly controlling motor vehicle driven by mixed power and method.Power take-off unit have there is primary mover, imput shaft outputting power, the power adjustment unit coordinating with output shaft and imput shaft of output shaft and can be sent to imput shaft from the power of primary mover output and the motor increasing or reduce, there is turning cylinder, switch turning cylinder coupled condition switching construction, output shaft and imput shaft and control the switching mechanism that control unit switches.
Japanese Patent JP3817982 discloses hybrid vehicle to improve the power transmission efficiency that continuous variable transmits in hybrid vehicle.
The torque of engine is sent to wheel by the transmission of continuous variable, and the torque transmission path between torque input engine and the wheel of motor generator increases the gear of the torque of motor generator by sun and planet gear.
US Patent 6155364 discloses hybrid electric drive system, and wherein sun and planet gear inwardly radially configures the stator coil of motor/generator.It comprises (a) engine turning round by fuel combustion, there is (b) sun and planet gear that sun gear and one of them are connected in the carrier of engine, be connected in the Ring gear of output link, be connected in (c) motor/generator of output link, and comprise output shaft and by (d) differential gear equipment of input link of propulsive effort rotation that comes from output link, and motor/generator wherein, sun and planet gear and output link are along the mutual arranged in co-axial alignment of first axle, and the output shaft of differential gear equipment is along the second axis configuration parallel with first axle.
The comment of above-mentioned patent has disclosed following technological gap:
Be suitable for vehicle power transmission system non-practicality and do not defer to engine/vehicle/their the large change of manufacturing line;
The unconformable motor of existing engine, the motor of identical frames size is for the engine capacity of certain limit under special circumstances, and therefore mandatory manufacturer develops the dedicated engine of being combined with specific motor and power drive system;
The unconformable control system being connected with engine/vehicle sensors and other control unit seamless interfacings;
The impracticability of fast battery charging member;
Be used for the demand of the cooling system of battery, motor etc.
It is long-term demand that modular power assist system is provided, be especially suitable for vehicle/engine drive system electric auxiliary system in case vehicle/engine drive system by electric system and its original power system running/energy supply.
Goal of the invention
Main purpose of the present invention is to provide modular power assist system.Further object of the present invention is to provide and is suitable for the adaptable modular electric system of vehicle/engine drive system so that this vehicle/engine drive system can be by electric system and/or its original power system running/energy supply.
Another object of the present invention is to provide for the electronic modular power assist system of vehicle so that this vehicle utilizes internal combustion engine and/or electro-motor running.
The present invention also has another object to be to provide the solution with motor concurrently engine, and this motor concurrently engine is compact with respect to its function and significantly reduced weight.
Another object of the present invention is to make capacity and the power running of vehicle/engine drive system to reduce than existing capacity by suitable modular power assist system.
It is to produce the power outside the rated power of one of vehicle/engine drive system by suitable modular power assist system that the present invention also has another object.
Another object of the present invention is to provide the obviously motor of higher density of current of band.
It is that motor is used as electrical generator that the present invention also has another object.
The present invention also has another object to be to provide motor control member to control the motor speed relevant to running condition.
The present invention also has another object to be to provide member to MAP(manifold absolute pressure) sensor interface, TPS(throttle valve position sensor) and do not affect the car speed sensor (VSS) of the engine management system of the vehicle that is applicable to power assist system with motor control system.
Another object of the present invention is to provide member to connect the digital signal that comes from engine/vehicle to motor control system.
Another object of the present invention is to provide member and comes from car speed sensor impulse singla extremely to motor control system for connecting.
The present invention also has another object to be to provide the winding temperature of member with the motor concurrently engine of control power assist system.
It is on the basis of MAP, TPS and the input of selectivity VSS sensor, to control the electric current of motor that the present invention also has another object.
Another object of the present invention be eliminate to for providing control inputs to the fuel discharge of motor to measure relevant problem.
Another object of the present invention be to provide starter motor only but not engine so that the method that vehicle is started from quiescence.
The present invention also has another object to be to provide to start vehicle and meets the requirements of the method for the speed of a motor vehicle.
The present invention also has another object be to provide at signal or similarly under operating conditions, make the out-of-work method of engine.
Another object of the present invention is to provide the method that configures and adapt to motor torque characteristic according to the engine torque characteristic of the vehicle/engine self of applicable control system.
Another object of the present invention is, if need motor controller, is connected with engine sensor and additional sensor.
It is isolate ECUs and avoid reequiping existing vehicle and motor control system that the present invention also has another object.
It is that operation for motor control system is directly from sensor shunting signal that the present invention also has another object.Further aim of the present invention is from the direct shunting signal of existing sensor but not crosses CAN shunting signal.
Another object of the present invention is to provide system and goes to measure manifold absolute pressure, throttle valve position and the power/torque demand with estimation motor together with other parameters.
Another object of the present invention is to provide the motor-driven system that motor is combined with engine.
Another object of the present invention be install and in conjunction with electro-motor on the engine of vehicle to avoid the problem relevant to running, vibration etc. between engine crankshaft and combination member.
The present invention also has another object to be to provide the centre distance modulation member between the motor drive shaft of power-assisted member and the bent axle of engine.
The present invention also has another object to be to provide the height adjustment member for motor.
The present invention also have another object be utilize vehicle/engine kinetic energy minimizing and charge to energy storage device by the conversion of kinetic energy.
Another object of the present invention is to provide to regenerate and regeneration brake system is the chance of basis to the battery charging of power assist system.
It is to utilize the battery charging of pulse current to power assist system that the present invention also has another object.
It is avoid the variation of change speed gear box of vehicle and repacking and can be combined with power assist system that the present invention also has another object.
It is to avoid the use of the accelerator of engine starter and vehicle/engine that the present invention also has another object.
The present invention also has another object to be to provide the equipment of seamless load sharing between electro-motor and car engine so that driver/operator does not need the large variation of any control stalk/gearshift of concrete operations or experience.
Another object of the present invention is minimized gearshift improve driving performance in traffic behavior.
It is at the emission level that reduces car engine/engine drive system that the present invention also has another object.
Another object of the present invention is to avoid for energy storage means as the use of the cooling system of battery, motor and motor control system.
Another object of the present invention is to make motor concurrently engine adapt to existing engine to determine the torque parameter of engine and motor concurrently engine by the rated speed of rotation of engine and motor.
Therefore,, according to the present invention, this system comprises:
Motor system;
Be configured to provide the motor control system of speed/torque control with described motor and sensor;
Energy storage system comprises the energy storage device coordinating with regeneration system, utilizes the minimizing of engine kinetic energy of vehicle and/or engine drive system with to the charging of described energy storage device
Wherein
Motor system comprises
One or more motors,
Motor installation component comprises installation component, and wherein shock mount is applicable to being fixed on described motor installation component
Wherein motor driven member comprises the first pulley of being with the type groove on the axle that is arranged on described motor, be arranged on the second pulley on the bent axle of described engine, wherein said pulley can land used and belt, chain or and so on cooperation of the east-west so that motor is auxiliary shares the load of engine and produce for the power to one or more energy storage devices chargings; Alternatively, transmission component is universal coupling or the crankshaft driving dog being adapted between described bent axle and motor drive shaft
Wherein
Energy storage system comprises one or more batteries, with batter-charghing system, the regeneration brake system that comprises solid-state electrical equipment of described motor control system and motor configurations, include the reserve battery control system of battery control program logical circuit, external charging member and double layer capacitor
Wherein
Motor control system comprises PID controller, mains connection set, storage cabinet, includes microcontroller/data processing member, data storage member, RAM, propulsion source, the input and output member of the logical circuit of dedicated custom;
Sensing system comprises that wherein engine/vehicle sensors is connected with described control system by isolator by the interface component of engine/vehicle sensors and the configuration of described motor control system
Wherein said motor control system turns round according to the following steps:
Be connected to obtain signal from sensor with the existing sensor of (vehicle/engine);
Measure the difference of surrounding environment and collector pressure and transmit identical to data processing member;
Measure throttle valve position and pass to data processing member;
Measure alternatively the air-flow of engine and pass to data processing member;
On the basis of described observed reading, estimate engine demand;
Estimate that essential motor power is with auxiliary engine;
Transmission of signal gives described motor with response engine demand.
In another aspect of this invention, described system is suitable for use in aircraft propelling system.In another aspect of this invention, described system of the present invention is suitable for use in marine propuision system.In another aspect of this invention, this system of the present invention is suitable for any fixing engine.Also have on the other hand in the present invention, described system is also suitable for two, three, four and such multi-wheeled vehicle.
Summary of the invention
In detailed description below of the features and advantages of the present invention and the preferred embodiment about accompanying drawing, become obvious.
Fig. 1 native system explanation schematic diagram (drawing 1)
The schematic diagram (drawing 2) of Fig. 2 motor control system
Fig. 3 motor control system control step (drawing 3)
Fig. 4 motor control system control step (drawing 4)
Fig. 5 motor control system control step (drawing 5)
Fig. 6 regenerative process control step (drawing 6)
Fig. 7 batter-charghing system schematic diagram (drawing 7)
Fig. 8 process fault detection (drawing 8)
Fig. 9 motor installation component diagram (drawing 9)
Figure 10 emitting shape chart (drawing 10)
Figure 11 emitting shape chart (drawing 11)
The schematic diagram of system is described in Fig. 1.This system comprises motor system 1, motor control system 2 and stored energy energy storage device 3.Although engine and vehicle (system of the present invention is applicable to) are not the parts of existing invention, have described the backplan of the system of integrating with vehicle for better understanding the present invention.
Described motor system 1 is included in the motor concurrently engine 4 that is applicable to being installed on the customization on engine (this system is applicable to the engine of mounting vehicle) under the help of motor installation component.One of them embodiment of installation component describes in Fig. 9.This installation component is the form with support.It comprises the first substantially flat support surface 500 of being with the one or more breach 502 for motor concurrently engine is installed.Substantially the second flat support surface 501 with complete vertical mode fix/connect/be incorporated into first surface.The extendible breach 503 of described second surface band.Described second surface 501 is connected in described first surface 500 with rib 506.Antivibration installation component be arranged in two surperficial one of them or on two surfaces with avoid first and/or second surface contact with the erecting equipment of engine/chassis/vehicle.
In an embodiment, multiple motors are connected with described engine therein.The compact motor of customization also has the function of electrical generator.Motor installation component has dampening apparatus and customizes according near free space engine.Described motor system further comprises that engine connects and transmission component, the first pulley 5 of wherein said transmission component is arranged on the axle of described motor 4 and the second pulley 6 is arranged on the bent axle of described engine, and wherein said pulley can be connected with belt 7 with turning round so that motor 4 is auxiliary shares the burden of engine and produce for the power to one or more energy storage devices chargings.In an embodiment, taut band pulley is for keeping the tension force of belt therein.Described taut band pulley is placed between described the first and second pulleys so that it can move to the Linear-moving direction of described belt in vertical direction.Described taut band pulley is suitable for fixing adjusting member with the vertical distance that changes screw thread spread pattern, similarly rotate and the transmission of adjusting described taut band pulley to adjust the belt tension between described the first and second pulleys.In another embodiment, universal coupling is for connecting the bent axle of described motor concurrently engine and engine.In another embodiment, described pulley is that rib belt pulley and corresponding belt are rib belts.In another embodiment, the proportional range of described the first pulley and the second diameter of pulley is 1:1 to 1:2 to determine the torque parameter of engine and motor concurrently engine.
Fig. 2 has described the block diagram of control system.Described control system comprises PID controller, power plant, storage cabinet, includes the data processing member of the logical circuit of dedicated custom, data storage member, RAM, propulsion source, extendible analog input connect sensor such as temperature, flow regulating valve, brake etc.; Extendible PWM input connecting sensor is for example for responding to the magnetic cartridge of engine/car speed.This control system further comprises and comprises numeral output with the output link of operational relay control fuel supply, cooling fan, pump etc.; Extendible simulation output drives gauge panel to show and drg; For the extendible PWM output of ratio actuator; For the position of motor-electrical generator and coder/speed gage input of direction feedback; The CAN communication port of communicating by letter with ECUs, safety apparatus, telltale etc.
Sensor configures by isolator circuit 200,201 and 202 and control system.The sensor that comes from brake, parking brake, power-transfer clutch, air-conditioning, ignition device and preference pattern is connected with the digital circuit 200 of electricity isolation.Impulse singla for example VSS, ESS are connected with encoder circuit 201 with the PWM of the impulse singla utilization electricity isolation that comes from coder.The signal relevant to motor temperature, engine temperature, battery temperature, throttle valve position, collector pressure and brake position utilizes electricity isolation analogous circuit 202 to be connected with control system.
Described motor control system further configures with the energy storage member 203 of phase configuration by energy management system module 204 and double layer capacitor 205.Provide the one or more fuel injectors of exporting to of described motor control system to cut off by potential-free non-contact type relay numeral output 206.The output 207 of free relay numeral and main contactor (direct supply), controller cooling fan, not under command light, pump and configuration for subsequent use.Output further configures with transmission information system 208.The motor power PWM control module 209 of control system with utilize versatile spindle to 211 or the multi-phase motor 210 that coordinates with engine of belt-driving 212 or crankshaft driving dog configure.
Safety apparatus 215 and described motor control system configuration.This equipment can be connected communicatedly with described control system, and wherein the suitable aspect of logic and support instruction/software is present in described safety apparatus, and wherein the part of software is delivered to described motor control system on the basis of vehicle/engine drive system operation mode.Under the various condition of service of vehicle, described safety apparatus turns round with following steps, wherein
In the process of startup vehicle, when key is placed in ignition device, necessary logic and instruction/software are communicated by letter and are sent to the described control system that comes from described safety apparatus in the process of vehicle launch;
During vehicle operating, the needed logic of motor control system and instruction/software communication and transmission during highway driving, wherein between the starting period, essential logic and instruction/software will be erased from described control system;
At vehicle stop run duration, when vehicle cuts out, the logic in described control system and instruction/software by be non-determinant attribute or it is by the logic without any moving and instruction/software.
Described sensing system comprises the vehicle sensors of the electronic interface unit/tuning engine of configuration/with described motor control system.Described sensor comprises throttle valve position sensor, average absolute pressure sensor, airmoter, air flow sensor, drg, HVAC, O2, car speed sensor, engine speed sensor, power-transfer clutch, gear position sensor, brake sensor, but is not limited to this.The signal of induction comprises TPS, MAP, VSS, brake, parking brake, power-transfer clutch, change-over swith, engine RPM, coolant temperature, MAF, battery temperature, energy storage system and the accelerator pedal position sensor of interlocking with the ignition lock of car engine.
Described motor control system 2 turns round with following steps:
Be connected to obtain signal from sensor with the existing sensor of (vehicle/engine);
Measure the different of surrounding environment and collector pressure and transmit identical to data processing member;
Measure throttle valve position and pass to data processing member;
Measure alternatively the air-flow of engine and pass to data processing member;
On the basis of described observed reading, estimate engine demand;
Estimate that essential motor power is with auxiliary engine;
Transmission of signal gives described motor with response engine demand.
Fig. 3 a has set forth the running of motor control system during vehicle launch, and wherein control system turns round with following steps:
Inductive ignition and fault detection member;
Utilize the VSS sensor sensing speed of a motor vehicle;
If vehicle stops, namely VSS instruction speed zero, utilizes TPS sensor and clutch state induction throttle valve position;
If the instruction of TPS sensor is higher than default accelerator pedal position, clutch sensor is indicated the condition of pressing;
Start engine by applying 100% torque settings point in motor concurrently engine;
Start power-assisted process, wherein motor concurrently engine provides power-assisted to engine;
Alternatively, if vehicle under condition of service, namely VSS does not indicate speed zero, responds to whether throttle valve position is greater than 0%; If start power-assisted process, wherein motor concurrently engine provides power-assisted to engine.
In another embodiment, described motor control system turns round to start vehicle, and step is:
Position is accelerated in induction, and the ignition lock of wherein said Das Gaspedal and engine is interlocked;
Send identical signal to described control system;
Inspiration exciting current gives described motor similarly to start;
Do not start engine fuel supply so as vehicle operating only using motor as propulsion source;
Utilize the VSS sensor sensing speed of a motor vehicle;
According to exceeding default speed, to the electromagnetic valve transmitted signal to engine supply fuel.
Also have in another embodiment, motor control system turns round to start vehicle, and step is:
Pressing on Das Gaspedal basis, sending a signal to described control system;
Inspiration exciting current gives described motor similarly to start;
Starting fluid is supplied to engine;
Move motor and engine with to vehicle energy supply simultaneously.
As set forth in Fig. 3 b, motor control system turns round to cut off the fuel supply of engine to stop engine ignition, and step is:
Inductive ignition state and sense faults;
Utilize whether the VSS sensor sensing speed of a motor vehicle is zero;
Whether respond to battery charge state (SOC) and engine temperature at preset level;
Start to postpone;
The induction speed of a motor vehicle;
Fuel injector relay is set to cut off the fuel supply to engine;
Alternatively, if the speed of a motor vehicle is zero, by TPS sensor sensing throttle valve position, if it is greater than zero, start power-assisted process; Otherwise startup regenerative process.
As set forth in fig. 4, the running of described control system is with to engine start power-assisted pattern, and step is:
Whether induced cell state-of-charge (SOC) position, be greater than zero or be less than zero;
On the basis of SOC position, preference pattern from city operations conditioned disjunction parallel hybrid power pattern;
If city operations condition pattern, if the speed of a motor vehicle that the minimum speed of a motor vehicle is moved under pure electric model lower than vehicle is utilized the VSS sensor sensing speed of a motor vehicle;
The mark speed of a motor vehicle and preset vehicle speed;
If the speed of a motor vehicle is greater than preset vehicle speed, reset so fuel injector relay so that engine start and under parallel mixing dynamic condition operational vehicle, wherein utilize engine power and motor power auxiliary;
If the speed of a motor vehicle lower than pre-set velocity, arranges fuel injector relay so to cut off engine fuel supply;
Operation motor concurrently engine is with by adding deviation control system set point to order about engine at racing speed;
Again check the speed of a motor vehicle;
If select parallel hybrid power pattern to reset so fuel injector relay so that engine start so as under paralleling model operational vehicle.
Fig. 5 has set forth operating control system so that vehicle turns round under parallel hybrid power condition, and wherein vehicle is by engine and the energy supply of motor concurrently engine.Control system running step is:
On the basis of automotive engine system gear ratio, identify gear;
On the basis of gear, the speed of a motor vehicle and engine speed, select suitable torque-demand;
Utilize TPS sensor and torque-demand induction throttle valve position;
If be greater than zero load/idle condition, determine so the ratio of torque settings point and flow regulating valve percentum opening, otherwise move in regeneration mode;
Monitoring motor concurrently engine winding temperature;
If winding temperature is higher than specified temperature, for example 120 DEG C, by the obvious decline of often once rising with respect to motor concurrently engine winding temperature, reduce motor concurrently engine current limit.
Energy storage system 3 comprises one or more energy storage devices 10, under the help of energy storage device installation component (not shown), is arranged in vehicle.The setting that may it should be noted that the energy storage device in Fig. 1 is only a representative for illustrating.In an embodiment therein, energy storage device is battery.But battery can be arranged on the appropriate location of the applicable vehicle of system of the present invention.Described battery and the configuration of battery charging member (not shown), further with motor control system and motor configurations.In an embodiment therein, battery is selected from plumbic acid, lithium, ni-mh, fuel cell, hydrogen and analogue based on energy storage device.
Described batter-charghing system further configures with regeneration brake system, and regeneration brake system comprises the special energy storage device control system of solid-state power plant, embedding energy storage device control program logical circuit.
During regenerative brake, electric weight is according to changing with the difference of the rear kinetic energy of braking before braking.The different driving electrical generator of energy.Electrical generator produces electric charge.Usually do not capture the electric charge flowing out from minimum braking.These electric charges can utilize ultracapacitor to catch.Once these ultracapacitors are charged, they are diverted to and charge the battery.Fig. 6 has described the regenerative process to the battery charging of energy storage system 3.The step of complete process is:
Whether induction uses drg;
If use drg, sets higher regenerative current so with application dynamo-electric brake;
If do not use drg, imperceptible braking effect while setting so lower regenerative current restriction with convenient vehicle downslope;
Measure motor battery temperature;
If battery temperature higher than default running temperature, reduces the specified charging current of regenerative brake current limit to nominal battery; In loop, check and whether use drg.
Fig. 7 has set forth batter-charghing system schematic diagram.The battery utilization of described energy storage system provides the ultracapacitor charging of power during short time interruption and voltage dip.The combination of the power generating system on ultracapacitor and battery basis causes the raising of battery life.Battery only provides power at longer intercourse, has reduced the repetition period of battery.Fig. 8 has described the fault discovery process for control system.
Described power assist system turns round on the basis of integrating with former vehicle under express highway situation, wherein
The speed of a motor vehicle is higher and do not need obvious power-assisted;
Motor does not turn round in the time of its peak power;
Motor provides limited assisting to engine;
Described motor control system monitors the burden/demand of engine and responds any unexpected acceleration demand, the problem of gear shift frequently while avoiding overtaking other vehicles on road.
Described power assist system turns round on the basis of integrating with former vehicle under express highway situation, wherein
Vehicle moves under lower speed, is accompanied by and stops frequently and start to walk;
Described motor control system monitors about the burden/demand of the engine of vehicle dynamic velocity variations and response so that motor guiding/auxiliary engine;
Motor moves to respond the dynamic speed variation of vehicle in its peak power, keep the low load of engine fast than engine.
The process of engine/vehicle launch, the signal that wherein comes from described throttle valve position starts for initiating, and wherein said motor provides detent torque to start engine/vehicle for engine.
Vehicle only on electric power/electro-motor with low-speed running, wherein on vehicle pre-set velocity, engine is supplied and is started by starting fluid, if vehicle does not move within the default time, engine stops so, engine-off and subsequently motor stop, wherein, along with pressing accelerator, motor starting drives engine and arrives after pre-set velocity at vehicle, further starts the fuel supply of engine.
In one of them embodiment of invention, described system is suitable for use in aircraft propelling system.In invention on the other hand, system of the present invention is suitable for marine propuision system.In another embodiment, system of the present invention is suitable for any fixing engine.
Also having in another embodiment, described motor driven member is gear train.In another modification of this embodiment, described transmission component is chain gearing.
In an embodiment therein, energy storage device is battery and/or cond.
In another embodiment, power assist apparatus is suitable at two, three, the vehicle of four wheels.
Also having in another embodiment, cooling component for the battery of energy storage system not necessarily.
Also having in another embodiment, cooling component for motor not necessarily.
The collaborative combination of motor system, motor control system and the energy storage device that coordinates with regeneration brake system of the present invention makes power assist apparatus of the present invention be suitable for vehicle/engine, and the substance that does not relate to engine, transmission device, driver train and vehicle is rectified and improved, also provide vehicle to pull together to operate at the advantage of travelling on two power source systems.Engine and electro-motor provide the advantage based on each propulsion source on vehicle operation condition basis, the engine of vehicle is turned round in the scope of average power requirement, wherein power assist system of the present invention optionally the peak power requirements, air fuel of response engine take in situation to improve fuel efficiency, reduce bad discharge and improve better driving performance.